Laser tag.Say goodbye to hard-to-remove identification stickers often attached to fruits and vegetables. New technology is replacing them with etched-on "tattoos." To create the permanent tags, a laser bombards the produce with infrared An invisible band of radiation at the lower end of the visible light spectrum. With wavelengths from 750 nm to 1 mm, infrared starts at the end of the microwave spectrum and ends at the beginning of visible light. rays, says the inventor INVENTOR. One who invents or finds out something. 2. The patent laws of the United States authorize a patent to be issued to the original inventor; if the invention is suggested by another, he is not the inventor within the meaning of those laws; but in that , Greg GREG Great Egg Harbor National Scenic and Recreational River (US National Park Service) Drouillard. These invisible energy waves are so hot that they burn off dots of pigment pigment, substance that imparts color to other materials. In paint, the pigment is a powdered substance which, when mixed in the liquid vehicle, imparts color to a painted surface. , or coloring, from a fruit's outer skin--without damaging its inner flesh. The tattooed code helps distributors identify the type of produce, and its place of origin. |
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